meson: reformat with meson formatter

Apply the `meson format` results.

Change-Id: I147ee758f6fca48cdd18889f7f018c76dcca39b3
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/firstboot/meson.build b/firstboot/meson.build
index 8b3dee7..743eab5 100644
--- a/firstboot/meson.build
+++ b/firstboot/meson.build
@@ -1,5 +1,8 @@
 set_mac = dependency('systemd', required: get_option('first-boot-set-mac'))
-set_hostname = dependency('systemd', required: get_option('first-boot-set-hostname'))
+set_hostname = dependency(
+    'systemd',
+    required: get_option('first-boot-set-hostname'),
+)
 
 if set_mac.found()
     install_data(
@@ -12,8 +15,7 @@
         input: 'first-boot-set-mac@.service',
         output: 'first-boot-set-mac@.service',
         copy: true,
-        install_dir:
-            set_mac.get_variable('systemdsystemunitdir'),
+        install_dir: set_mac.get_variable('systemdsystemunitdir'),
     )
 endif
 
@@ -28,7 +30,6 @@
         input: 'first-boot-set-hostname.service',
         output: 'first-boot-set-hostname.service',
         copy: true,
-        install_dir:
-            set_hostname.get_variable('systemdsystemunitdir'),
+        install_dir: set_hostname.get_variable('systemdsystemunitdir'),
     )
 endif